Portion of a shoe



FIG. 1 is a perspective view of a portion of a shoe showing my new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof; and,

FIG. 5 is a top plan view thereof.

The broken line showing of the remainder of the shoe shown in FIGS. 1-5 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a portion of a shoe, as shown and described. 